Convert Mexico Size 24 to the Right US Size

A Mexico size 24 is generally near US men’s 6, US women’s 7–7.5 or US big kids’ 5.5Y–6Y. Check the full label before using that conversion: brands may present 24 as MX 24, CM/JP 24 or EU 24, and those designations are not interchangeable.

Choose the label type and shoe category to see the applicable official-chart conversion.

Mexico Size 24 Conversion At A Glance

The closest US size depends on both the chart and the shoe category. PUMA publishes 24 as an MX size, while Nike’s Mexico charts place 24 in a CM/JP column.

Label or chart	Category	US conversion
PUMA MX 24	Men’s	US 6
PUMA MX 24	Women’s	US 7.5
PUMA MX 24	Kids’	US 6
Nike CM/JP 24	Men’s	US 5.5 or 6
Nike CM/JP 24	Women’s	US 7
Nike CM/JP 24	Big kids’	US 5.5Y or 6Y

PUMA’s Mexico chart directly converts MX 24 to US men’s 6 and US women’s 7.5. Its kids’ chart lists MX 24 as US kids’ 6. PUMA also says its unisex shoes use men’s sizing, so a unisex US men’s 6 corresponds to US women’s 7.5 on that chart (PUMA Mexico size guide).

Nike’s Mexico charts use a CM/JP column rather than an MX column. On those charts, CM/JP 24 aligns with US women’s 7, US men’s 5.5–6 and US big kids’ 5.5Y–6Y (Nike women’s chart, Nike men’s chart, Nike kids’ chart).

These figures are chart-specific rather than a universal rule that every brand must follow. A listing that says only “Mexico 24” does not provide enough information to distinguish an MX size from a CM/JP label or an incomplete EU size.

Why Size 24 Has More Than One US Equivalent

The number 24 can represent a regional shoe size, a brand’s CM/JP designation or a measured foot length. Those are different inputs, even when they appear next to the same shoe.

An MX 24 entry should be read against the MX column in the manufacturer’s chart. For the PUMA categories documented above, that produces US men’s 6, women’s 7.5 or kids’ 6.

A CM/JP 24 entry belongs to a centimeter/Japan column. Nike’s official Mexico charts use this format, and the corresponding US result changes by category: women’s 7, men’s 5.5 or 6, and big kids’ 5.5Y or 6Y.

A foot that physically measures 24 cm requires the chart’s foot-length row. It should not automatically be matched to every box or tongue label that contains the number 24. Nike specifically warns that the CM size printed on its boxes and labels differs from measured foot length.

That distinction also explains why two apparently conflicting conversions can both be accurate within their own charts. PUMA’s MX 24 result answers a regional-size question. Nike’s CM/JP 24 result answers a label-column question. Neither result establishes what an unlabeled “24” means on another brand’s product page.

Read The Complete Sneaker Label Before Converting

A complete sneaker tag commonly separates sizing systems into fields such as US, UK, EUR, CM or JP. The useful evidence is not the number by itself but the heading attached to it.

If the shoe says MX 24, use the manufacturer’s MX row and make sure the chart covers the same men’s, women’s or kids’ category. Under PUMA’s published Mexico chart, the relevant answers are men’s 6, women’s 7.5 and kids’ 6.

If it says CM/JP 24, use the same brand’s CM/JP column. Under Nike’s Mexico charts, that means women’s 7, men’s 5.5–6 or big kids’ 5.5Y–6Y. Do not substitute PUMA’s MX conversion merely because both labels contain 24.

If 24 comes from measuring a foot, find the foot-length column rather than the printed-label column. The chart may place that measurement between rows or distinguish the measured length from the CM value printed on the shoe.

For resale pairs, ask for an uncropped photograph of the size tag when the listing title supplies only one number. A photo showing the US, MX, EUR and CM fields can reveal whether the seller copied a regional size, a length-related label or the wrong field entirely. It also confirms whether the US number shown is men’s, women’s or kids’ sizing.

A 24 CM Foot Is Not Necessarily MX 24

Adidas Mexico illustrates why a measured length cannot simply be rewritten as an MX number. Its chart assigns a 23.8 cm foot to MX 4, US men’s 6 and US women’s 7. A 24.2 cm foot maps to MX 4.5, US men’s 6.5 and US women’s 7.5 (Adidas Mexico size guide).

In that chart, the MX values associated with feet close to 24 cm are 4 and 4.5—not MX 24. A person whose foot measures exactly 24 cm should therefore use the brand’s instructions for measurements between chart entries rather than treating “24 cm” as a regional size.

The Adidas guide also notes that a product’s last can vary because of design, manufacturing and technology. The conversion identifies a chart position, but it does not prove that every Adidas model at that position has identical internal dimensions.

This example should not be used to replace PUMA or Nike sizing. It demonstrates the distinction between a foot-length measurement and an MX designation. The final selection still needs to come from the chart for the brand and model being considered.

EU 24 Is A Small Child’s Size

EU 24 is not the adult conversion discussed above. PUMA places EU 24 alongside MX 15.5 and US kids’ 8. That is a small child’s size, not US men’s 6 or women’s 7–7.5.

This is the highest-risk interpretation of a listing that shows only “24.” If the seller copied 24 from the EUR field, applying the adult MX or CM/JP conversion would produce a radically different shoe size.

Look for an explicit EUR or EU heading beside the number. If the product page provides a dropdown containing “24” among other European sizes but never identifies the system, verify the chart or request a tag photo before ordering. The documented PUMA EU 24 conversion is US kids’ 8; the draft evidence does not establish an EU 24 conversion for every other brand.

Men’s, Women’s And Kids’ Categories Must Stay Separate

A US number without its category remains incomplete. PUMA’s MX 24 row gives men’s 6 and women’s 7.5, while its kids’ result is US 6. Although two of those entries contain the number 6, they do not describe the same sizing category.

Nike’s CM/JP 24 entries likewise separate women’s 7, men’s 5.5–6 and big kids’ 5.5Y–6Y. The Y designation identifies youth sizing. If a listing uses GS, it means grade school rather than women’s sizing; the GS shoe-size conversion guide explains what adult buyers should verify before using a youth equivalent.

Unisex labeling needs the brand’s stated base system. PUMA says its unisex shoes use men’s sizing. On PUMA’s chart, a unisex US men’s 6 corresponds to women’s 7.5. That relationship is appropriate for the documented PUMA chart, not an unsupported shortcut for every unisex sneaker.

Category matters on marketplace listings because sellers sometimes place the same bare number in men’s, women’s and kids’ sections. The category selected by a seller is not as reliable as the manufacturer’s tag and chart when those pieces of information conflict.

Verify The Fit After The Conversion

A regional conversion provides a starting size, not a fit guarantee. It does not establish the shoe’s width, toe-box shape, heel hold or internal volume.

First, confirm whether the converted US size is men’s, women’s or kids’. Then match the exact label—MX, CM/JP, EUR or measured foot length—to the official chart for that brand and, where available, the specific model.

When measuring, measure both feet and use the longer result. Nike recommends choosing the larger size when a measurement falls between chart entries. That instruction applies to selecting from Nike’s measurement chart; it does not turn a measured 24 cm foot into a universal US size across brands.

Try the sneakers with the socks normally worn with that pair. Check whether the toes have usable space, the widest part of the foot sits in the intended area, the heel remains controlled and the upper has enough volume without excessive pressure. The length, width, heel and volume fit checks cover each of those points.

For an online purchase, keep the conversion tied to the evidence shown. MX 24 supports the documented PUMA conversions, CM/JP 24 supports the documented Nike ranges, and EU 24 indicates a small child’s size in the PUMA chart. If the listing supplies only “24,” the US equivalent remains uncertain until the sizing system and category are identified.